<template>
  <div class="son">
    <h3>我是Son组件（孙）,{{car.name}}---{{car.price}}</h3>
  </div>
</template>

<script>
import { inject } from 'vue'
  export default {
    name:'Son',
    setup(){
        let car = inject('car')
        return{
            car
        }
    }

  }
</script>

<style>
  .son {
    background-color: orange;
    padding: 10px;
}
</style>